5.8

CVE-2011-5237: paypal wps_toolkit Improper Input Validation

CVSS: 5.8v2.0MediumModified
Published 06-11-2012Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2011-5237 is a medium (CVSS 5.8) Improper Input Validation vulnerability in paypal wps_toolkit. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.3% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
0.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-11-2012
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

PayPal WPS ToolKit does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

0.00 pp

From 0.53% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.53%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Paypal1 product

1 vendor · 1 product

References

1 links